11066415331 has 4 divisors (see below), whose sum is σ = 11068689312. Its totient is φ = 11064141352.

The previous prime is 11066415307. The next prime is 11066415337. The reversal of 11066415331 is 13351466011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13351466011 = 13 ⋅1027035847.

It is a cyclic number.

It is not a de Polignac number, because 11066415331 - 2²⁵ = 11032860899 is a prime.

It is a super-2 number, since 2×11066415331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11066415293 and 11066415302.

It is not an unprimeable number, because it can be changed into a prime (11066415337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129675 + ... + 1139428.

It is an arithmetic number, because the mean of its divisors is an integer number (2767172328).

Almost surely, 2^11066415331 is an apocalyptic number.

11066415331 is a deficient number, since it is larger than the sum of its proper divisors (2273981).

11066415331 is an equidigital number, since it uses as much as digits as its factorization.

11066415331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273980.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 11066415331 in words is "eleven billion, sixty-six million, four hundred fifteen thousand, three hundred thirty-one".